Biomedical subjects
Publications and source records attributed to R Shafir.
The carbon dioxide laser beam was used successfully to extirpate a large buccal hemangioma in a child. No hemostats were required, as this new surgical modality affords a practically bloodless operative field. Tissue necrosis occurs only minimally at the borders of the incision. Operative intervention with the carbon dioxide laser beam in cases of hemangioma and other tumors of the oral cavity is advocated.
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A case of subcapsular hematoma of the spleen in a 19-year-old soldier is presented, in which nonoperative treatment was chosen. More than 3 years postinjury the patient appears in excellent condition, with no palpable left upper abdominal mass palpable. The literature on nonoperative treatment of such injuries is discussed. The present authors remain in favor of operative treatment of proven cases of splenic injury.
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Explore the source record for details and available documents.
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Imprints were prepared from 73 pigmented skin lesions, 19 of which were diagnosed as malignant melanoma. The cytologic findings in malignant melanoma, large clusters of cells with loss of cellular cohesiveness and large pleomorphic nuclei, were positive in 17 of the 19 cases. In other malignant and benign pigmented lesions the few cells adherent to the glass showed characteristic cytologic features of the particular lesion. Imprint cytology seems to be a valuable adjunct to the examination of frozen sections for the intraoperative diagnosis of malignant melanoma.